Walrus (Dredger, Netherlands flag) was last seen on AIS on Oct 2, 2026, 11:52 UTC, under way at 5.2 kn, near Vlaardingen (North Sea). The crew-entered destination was VLISSINGEN (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 08:09 UTC). This report does not confirm the ship’s current route.

What kind of ship is Walrus?

Walrus is a dredger sailing under the flag of Netherlands, built in 1979. The vessel is 37.5 m long and has a gross tonnage of 175.

What sanctions and inspection records does Voydar hold for Walrus?

Voydar has no matched sanctions record displayed for Walrus from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Walrus. Missing records do not establish whether the ship has been detained.

Walrus

Dredger · Netherlands · built 1979 · AIS Class A

IMO7917202MMSI246208000Call signPIOWLast AIS position Oct 2, 2026, 11:52 UTC

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In short

Walrus (Dredger, Netherlands flag) was last seen on AIS on Oct 2, 2026, 11:52 UTC, under way at 5.2 kn, near Vlaardingen (North Sea). Its crew-entered AIS destination is VLISSINGEN; its reported draught is 0.8 m (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 08:09 UTC). Its last detected port call was at Vlissingen: arrived Jun 15, 2026, left Jun 15, 2026. Registered owner: Van der Straaten Aannemingsgroep B.V. (source: ILT — Nederlands vlagregister (Netherlands flag register data)).

Vessel type: Dredger
Flag: Netherlands
Year built: 1979
Gross tonnage: 175
Size (length × beam): 38 m
Registered owner: Van der Straaten Aannemingsgroep B.V.

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Last reported position

received Oct 2, 2026, 11:52 UTC

Position: 51.8622° N, 4.3365° E
Area: North Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 5.2 kn
Course: 151°
Heading: —

51.8622° N, 4.3365° E

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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: Walrus
IMO numberWhat is an IMO number?: 7917202
MMSIWhat is an MMSI?: 246208000
Call signWhat is a call sign?: PIOW
Flag: Netherlands
Vessel type: Dredger
AIS ship type: Dredging or underwater ops
Gross tonnageGross tonnage vs deadweight: Source: ILT — Nederlands vlagregister (Netherlands flag register data), record 2100. Added to Voydar on September 28, 2026. Licence: CC0 1.0 (ilent.nl site-wide).175
Net tonnage: Source: ILT — Nederlands vlagregister (Netherlands flag register data), record 2100. Added to Voydar on September 28, 2026. Licence: CC0 1.0 (ilent.nl site-wide).52
Length overall: 37.5 m
Beam: —
Year built: 1979

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Registered owner: Van der Straaten Aannemingsgroep B.V.(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 2026
Builder: H DE HAAS(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Jun 15, 2026, 12:57 UTC	Left VlissingenAIS-detected	Voydar port-call detector (AIS geofence)
Jun 15, 2026, 11:27 UTC	Arrived at VlissingenAIS-detected	Voydar port-call detector (AIS geofence)
Jun 15, 2026, 11:16 UTC	Left NieuwdorpAIS-detected	Voydar port-call detector (AIS geofence)
Jun 15, 2026, 09:43 UTC	Arrived at NieuwdorpAIS-detected	Voydar port-call detector (AIS geofence)
Jun 10, 2026, 14:23 UTC	Left VlissingenAIS-detected	Voydar port-call detector (AIS geofence)
Jun 10, 2026, 11:23 UTC	Arrived at VlissingenAIS-detected	Voydar port-call detector (AIS geofence)

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Vlissingen NLVLI	Jun 15, 2026, 11:27 UTC	Jun 15, 2026, 12:57 UTC	1 h 30 min
Nieuwdorp NLNIU	Jun 15, 2026, 09:43 UTC	Jun 15, 2026, 11:16 UTC	1 h 32 min
Vlissingen NLVLI	Jun 10, 2026, 11:23 UTC	Jun 10, 2026, 14:23 UTC	3 h 0 min
Vlissingen NLVLI	Jun 10, 2026, 07:28 UTC	Jun 10, 2026, 08:18 UTC	51 min
Nieuwdorp NLNIU	Jun 10, 2026, 05:26 UTC	Jun 10, 2026, 07:28 UTC	2 h 1 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Frequently asked questions

Where is Walrus now?: Walrus (Dredger, Netherlands flag) was last seen on AIS on Oct 2, 2026, 11:52 UTC, under way at 5.2 kn, near Vlaardingen (North Sea). The crew-entered destination was VLISSINGEN (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 08:09 UTC). This report does not confirm the ship’s current route.
What kind of ship is Walrus?: Walrus is a dredger sailing under the flag of Netherlands, built in 1979. The vessel is 37.5 m long and has a gross tonnage of 175.
Who is recorded as the owner or manager of Walrus?: Van der Straaten Aannemingsgroep B.V. is recorded as Registered owner for Walrus (source: ILT — Nederlands vlagregister (Netherlands flag register data)). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Walrus?: Voydar has no matched sanctions record displayed for Walrus from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Walrus. Missing records do not establish whether the ship has been detained.

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